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1, 1, 9, 13, 61, 117, 421, 949, 2997, 7381, 21781, 56277, 160213, 424789, 1186389, 3189589, 8817493, 23883093, 65663317, 178568533, 489512277, 1334064469, 3651347797, 9962435925, 27244344661, 74380006741, 203315811669, 555257419093, 1517414896981, 4144807761237
(列表;图表;参考文献;听;历史;文本;内部格式)
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